136914779 has 8 divisors (see below), whose sum is σ = 144871440. Its totient is φ = 129033216.

The previous prime is 136914733. The next prime is 136914797. The reversal of 136914779 is 977419631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136914779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136914079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15002 + ... + 22335.

It is an arithmetic number, because the mean of its divisors is an integer number (18108930).

Almost surely, 2^136914779 is an apocalyptic number.

136914779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

136914779 is a deficient number, since it is larger than the sum of its proper divisors (7956661).

136914779 is a wasteful number, since it uses less digits than its factorization.

136914779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37549.

The product of its digits is 285768, while the sum is 47.

The square root of 136914779 is about 11701.0588837079. The cubic root of 136914779 is about 515.4067594275.

The spelling of 136914779 in words is "one hundred thirty-six million, nine hundred fourteen thousand, seven hundred seventy-nine".